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| Number | Title | Issue Date |
| 7363813 | Temperature and moisture probe A probe for measuring the temperature and moisture of a gas has an aspirated flow passage with a configuration that causes the gas to have turbulent flow and, therefore, to mix. A dry bulb thermometer and a wet bulb thermometer positioned in the flow passage downstr... | 04/29/2008 |
| 5014908 | Control circuit using a sulphonated fluorocarbon humidity sensor A control circuit (1) for use in a humidifier (H). A capacitor functioning as a humidity sensor (55) includes a sulphonated fluorocarbon material acting as the dielectric (57) of the capacitor. The material is sandwiched between sheets (59a, 59b) of a scr... | 05/14/1991 |
| 4887466 | Wet bulb sensor system A wet bulb sensor system for taking the wet bulb temperature of air. The sensor system includes an air passageway, a fan for drawing the air into and through the passageway, a filter disposed adjacent the intake of the air passageway, a temperature sensor... | 12/19/1989 |
| 4599889 | Apparatus for measuring the real evapotranspiration of a plant cover, for measuring the amount of carbon dioxide exchanged between said plant cover and the atmosphere and for measuring the hydrous state of the ground around the plant cover Apparatus for measuring the real evapotranspiration of a plant cover, for measuring the amount of carbon dioxide exchanged between said plant cover and the atmosphere and for measuring the hydrous state of the ground around the plant cover. The apparatus ... | 07/15/1986 |
| 4175436 | Wet/dry bulb hygrometer with automatic wick feed A wet/dry bulb hygrometer of the psychrometer type is used for monitoring and/or controlling humidity of a gaseous fluid having contaminants therein. The wet bulb sensor of the hygrometer is provided with a wick which is movable over the wet bulb sensor s... | 11/27/1979 |
